如果相互接触的固－液或液－液两相中分别带有符号相反的过剩电荷，则由于界面上存在双电层，在外加电场的作用下会发生两相的相对运动。反之，若外力迫使两相作相对运动，则沿液体运动方向会出现液相中的电势（位）差，并引起离子的电迁移。这类现象统称为电动现象。
1．3电动理论和毛细管电色谱 电动现象（Electrokinetic phenomena）是固体表面的电现象和力学现象的组 合，其特征是双电层中带电表面溶液间的相对剪切运动。
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动电现象 electrokinetic phenomena ; dynamic electricity phenomenon
电动学现象 electrokinetic phenomenon
胶束电动毛细现象色谱 micellar electrokinetic capillary chromatography ; MECC
我有一个证明，有些是违反了能量守恒定律电动现象。
I have a proof that there are electrodynamic phenomena which violate the law of energy conservation.
溶胶的电动电位是溶胶发生电动现象的主要原因，它的大小直接影响溶胶的稳定性。
The electrokinetic potential of the sol is the main cause for which the electrokinetic phenomena develop. Its magnitude has direct effect on the stability of the sol.
电动车的安全性也受到质疑，被普遍视为电动轿车商业化关键部件的锂离子电池有时可能出现过热甚至起火的现象。
Safety has also come into question, as some of the lithium-ion batteries — widely believed to be the key to making viable electric cars — have shown a tendency to overheat and sometimes catch fire.
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